Bunn G9 HD - Grinder Not Starting: Timer; Grinder Not Starting: Relay; Grinder Not Starting: Motor; Grinder Not Shutting Off: Off;On;Start Switch

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TROUBLESHOOTING (cont.)
Problem
Grinder will not start. (cont.)
Grinder will not shut off.
Grinder starts, but will not dis-
pense.
Incorrect amount of coffee.
Incorrect coffee grind dispensed.
Probable Cause
4. Timer
5. Relay
6. Motor
1. Off/On/Start switch
2. Timer
3. Relay
1. Hopper
2. Bottom of hopper
3. Shear plate
1. Timer adjustment
1. Burr adjustment
Remedy
Refer to Service - Timer for testing
procedures. See page 13.
Refer to Service - Relay for testing
procedures. See page 12.
Refer to Service - Motor for testing
procedures. See page 9.
(A) Place the switch in the “OFF”
(left) position.
(B) Refer to Service - Off/On/Start
Switch for testing procedures. See
page 11.
Refer to Service - Timer for testing
procedures. See page 13.
Refer to Service - Relay for testing
procedures. See page 12.
Begin each grind cycle by visually
inspecting the hopper for an ample
supply of whole bean coffee.
Foreign materials must not block
the opening at the bottom of the
hopper.
Refer to Service - Motor for replace-
ment procedures. See page 9.
Refer to the Adjustments section.
See page 4.
Refer to the Adjustments section.
See page 4.
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